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4-[[4-[(4-hydroxyphenyl)amino]phenyl]amino]benzenesulphonic acid, also known as 4-[[4-[(4-hydroxyphenyl)amino]phenyl]amino]benzenesulfonic acid, is a complex organic compound with the molecular formula C18H16N2O4S. 4-[[4-[(4-hydroxyphenyl)amino]phenyl]amino]benzenesulphonic acid is characterized by its aromatic structure, featuring a benzene ring with a sulfonic acid group attached to the para position. The molecule also contains two amino groups, one of which is connected to a hydroxyphenyl group, suggesting potential applications in the synthesis of dyes or pharmaceuticals due to its ability to form strong color and its reactivity. The presence of both hydroxyl and amino groups also implies that 4-[[4-[(4-hydroxyphenyl)amino]phenyl]amino]benzenesulphonic acid could engage in various chemical reactions, such as condensation or substitution, making it a versatile building block in organic chemistry.

6421-80-3

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6421-80-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6421-80-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,4,2 and 1 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 6421-80:
(6*6)+(5*4)+(4*2)+(3*1)+(2*8)+(1*0)=83
83 % 10 = 3
So 6421-80-3 is a valid CAS Registry Number.
InChI:InChI=1/C18H16N2O4S/c21-17-9-5-15(6-10-17)19-13-1-3-14(4-2-13)20-16-7-11-18(12-8-16)25(22,23)24/h1-12,19-21H,(H,22,23,24)

6421-80-3SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name 4-[4-(4-hydroxyanilino)anilino]benzenesulfonic acid

1.2 Other means of identification

Product number -
Other names EINECS 229-172-7

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:6421-80-3 SDS

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